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Submit hypothesis test problem for the option below

Statistics Sep 25, 2020

Submit hypothesis test problem for the option below.Think about a population mean that you may be interested in and propose a hypothesis test problem for this parameter. Gather appropriate data and post your problem.

My Suggested problem: 

Estimate the population proportion of families that shop at Aldi in New York since the Phase 4 reopening began. I spoke to 9 random regular customers that shop at Aldi's and found out in the past 2 weeks they shopped at Aldi's: 2,3,4,1,2,3,4,2 and 3 times. The confidence interval is 90% for the population mean.  

The number of times customers shopped at Aldi's since we started Phase 4 reopening in New York in the past two weeks were l.limit ____ and h.Limit____ times. 

I will figure out the low and high limit in the population mean. I will also check for normal conditions by graphing a histogram with the raw data to see if it's symmetric. 

  

One sample T confidence interval:  

  

μ : Mean of variable  

  

90% confidence interval results:  

  

Variable  =# Aldi customers sampled

Sample Mean=  2.6666667

Std. Err.= 0.33333333  

DF  = 8

L. Limit = 2.0468173

U. Limit  = 3.286516

 

The L. Limit is 2.05 (rounded two decimal points)  

The H. Limit is 3.29(rounded two decimal points) 

With this information propose a Hypothesis test problem and figure the solution ?

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